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Classification of Milling Cutters

Classification of Milling Cutters

2025-09-11
1. By Application
  • End Mill
    Most common, used for machining planes, slots, and steps.

  • Ball Nose End Mill
    Ball-shaped tip, suitable for curved surfaces and mold processing.

  • Corner Radius End Mill
    With a radius edge, improves strength and surface finish.

  • Face Mill
    Large diameter, for machining large flat surfaces.

  • Keyseat Cutter
    For machining keyways and narrow slots.

  • Thread Mill
    For producing internal and external threads.

  • Form Milling Cutter
    Customized for specific profiles, such as gear cutters.


2. By Cutting Edge Shape
  • Straight Flute End Mill
    Strong cutting edge, suitable for brittle or hard materials.

  • Helical Flute End Mill
    Smooth cutting and good chip evacuation.

    • Small helix angle (25°–35°): For steels.

    • Large helix angle (40°–55°): For aluminum and non-ferrous materials.


3. By Number of Flutes
  • Single Flute (1 Flute): Large chip pocket, ideal for aluminum and plastics.

  • Two Flutes (2 Flutes): Common for non-ferrous metals.

  • Three Flutes (3 Flutes): Balance between strength and chip removal.

  • Four and Multi-Flutes (4–8 Flutes): Higher strength, suitable for steels and hard materials.


4. By Material
  • High-Speed Steel (HSS) End Mill: Cost-effective, general purpose.

  • Solid Carbide End Mill: High wear resistance, suitable for high-speed cutting.

  • Coated End Mill: Coated with TiAlN, AlTiN, DLC, etc., for higher heat resistance and extended tool life.


5. By Structure
  • Solid End Mill: Made entirely of HSS or carbide.

  • Brazed End Mill: Carbide tip brazed onto the shank.

  • Indexable Milling Cutter: With replaceable inserts, economical for large diameters and heavy milling.